Wall foundation structure for controlling contraction cracks of basement outer wall

By adopting a wall-based structure with waterproof layer, steel cage and shrinkage holes in the basement exterior wall, the cracks caused by the failure of moisture after construction are solved, the service life of the wall is extended, and the earthquake resistance and load bearing capacity are improved.

CN222730836UActive Publication Date: 2025-04-08CHINA CONSTR FIFTH ENG DIV CORP LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421120718.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-04-08
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

After the construction of the basement exterior wall is completed, cracks are easily generated due to the fact that the moisture does not dry, causing external water vapor to enter, corrode the steel bars and destroy the stability of the wall.

Method used

A wall-based structure is adopted, including the exterior wall body, cement layer, mortar layer, steel cage and shrinkage layer. The front end of the exterior wall body is equipped with a waterproof layer and a waterproof wall, and waterproof coating and shrinkage holes are installed inside. The steel cage is used to reinforce the wall, and the mortar layer is combined with the cement layer to enhance the firmness.

Benefits of technology

The wall is prevented from getting damp through waterproof layers and paints. The steel cage provides a stable foundation. The shrinking holes reduce cracks caused by shrinkage, extend the service life of the wall, reduce material costs, and improve the wall's earthquake resistance and load bearing capacity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222730836U_ABST
    Figure CN222730836U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of basement outer walls, and discloses a wall foundation structure for controlling contraction cracks of a basement outer wall, which comprises an outer wall body, a cement layer is arranged at the front end of the outer wall body, a mortar layer is arranged at the rear end of the cement layer, a reinforcement cage is arranged on the surface of the mortar layer, and a contraction layer is arranged in the outer wall body. The reinforcement cages are inserted into the foundation to reinforce the wall body, the stone and sand blocks are arranged at the ends, close to each other, of the reinforcement cages and mixed with cement according to the proportion, so that the wall body becomes firm, the steel wire meshes are placed on the surfaces of the reinforcement cages and fixed through the cement blocks, the firmness of the wall body can be improved, the cement is not prone to falling off in the construction process, and the construction efficiency is improved. And the waterproof coating is arranged at the ends, close to each other, of the reinforcement cage and the cement block, water of the wall can be prevented from permeating into the wall, the multiple shrinkage holes are formed in the surface of the cement block, and the situation that after the wall is used for a long time, the wall expands, and the wall is damaged can be prevented.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of basement exterior walls, in particular to a wall foundation structure for controlling shrinkage cracks in basement exterior walls. Background Art

[0002] A basement is a type of house built using underground space resources. It has multiple functions, including parking garages, storage warehouses, commercial spaces, office spaces, etc. It has the characteristics of saving land resources, improving the comprehensive utilization benefits of land, energy conservation and environmental protection, safety, comfort, versatility, flexibility and sustainable development. It plays an important role in urban construction and infrastructure development. Concrete, steel and other materials are often used in basement construction. Concrete is the main structural material because of its good compressive strength and durability. During the construction process, attention should be paid to the quality of concrete pouring to avoid cracks and defects. At the same time, waterproofing is also a key link in basement construction, and appropriate waterproofing materials and construction methods must be used.

[0003] After the construction is completed, cracks will appear inside the wall if the moisture inside the wall has not dried yet. After these cracks appear, as time goes by, external water vapor will enter them and corrode the steel bars inside the wall, thereby destroying the stability of the wall. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a wall foundation structure for controlling shrinkage cracks of basement exterior walls.

[0005] The utility model is implemented by the following technical scheme: a wall foundation structure for controlling shrinkage cracks of the outer wall of a basement, comprising an outer wall body, a cement layer is arranged at the front end of the outer wall body, a mortar layer is arranged at the rear end of the cement layer, a steel cage is arranged on the surface of the mortar layer, and a shrinkage layer is arranged inside the outer wall body.

[0006] Through the above technical solution, the workers constructed the wall using parts.

[0007] As a further improvement of the above scheme, the outer wall body includes a waterproof layer, a waterproof wall and a waterproof coating. The waterproof layer is opened at the front end of the outer wall body, a waterproof wall is arranged at the front end of the waterproof layer, and the waterproof coating is arranged on the inner wall of the outer wall body.

[0008] Through the above technical solution, a waterproof wall is set on the surface of the cement wall, which can prevent the wall from being affected by moisture and causing cracks, thereby reducing the service life of the wall.

[0009] As a further improvement of the above solution, the exterior wall body includes a waterproof coating, the material of the waterproof coating is a water-based polyurethane waterproof coating, and the water-based polyurethane waterproof coating is mainly composed of a water-based polyurethane resin, additives and solvents.

[0010] Through the above technical solution, the material of the waterproof coating is a water-based polyurethane waterproof coating, which does not contain harmful solvents and heavy metals and has excellent strength and durability.

[0011] As a further improvement of the above scheme, the cement layer includes cement blocks and cement walls, a plurality of cement blocks are provided, and a plurality of the cement blocks are arranged inside the outer wall body, a waterproof coating is provided at the rear end of the cement wall, and a waterproof wall is provided at the front end of the cement wall.

[0012] Through the above technical solution, cement blocks are arranged inside the outer wall body to fix the mechanism inside the outer wall body.

[0013] As a further improvement of the above scheme, the mortar layer includes stone sand blocks, the mortar layer is arranged inside the cement layer, and a plurality of the stone sand blocks are provided, and the plurality of the stone sand blocks are arranged at one end of the inner wall of the steel cage close to each other.

[0014] Through the above technical solution, stone sand blocks are arranged at the ends of the steel cages close to each other and are mixed with cement in proportion to make the wall strong.

[0015] As a further improvement of the above solution, the steel cage includes a wire mesh, and two steel cages are provided. The bottoms of the two steel cages are fixedly connected to the foundation, and the wire mesh is arranged at the front end of the steel cage.

[0016] Through the above technical solution, the steel cage is inserted into the foundation, which can effectively support the concrete structure and provide a stable foundation.

[0017] As a further improvement of the above solution, the shrinkage layer includes shrinkage holes, the shrinkage layer is arranged inside the exterior wall body, a plurality of the shrinkage holes are provided, and a plurality of the shrinkage holes are opened on the surfaces of a plurality of cement blocks.

[0018] Through the above technical solution, a plurality of shrinkage holes are arranged on the surface of the cement block, which can prevent the wall from expanding after long-term use, thereby preventing the wall from being damaged.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model provides a waterproof layer and a waterproof wall on the surface of the cement wall, which can prevent the wall from being damp and causing cracks, thereby reducing the service life of the wall. The material of the waterproof coating is a water-based polyurethane waterproof coating, which does not contain harmful solvents and heavy metals and has excellent strength and durability. The water-based polyurethane waterproof coating has no agglomeration after stirring the mortar and is in a uniform state. It has high tensile strength and elongation and can adapt to the deformation and cracking of the base layer, thereby effectively preventing leakage. The water-based polyurethane waterproof coating can be sprayed, brushed, or rolled, and the construction method is flexible and diverse, and the construction is quick and convenient. It can be directly constructed on various wet or dry base surfaces without brushing a base treatment agent.

[0021] The utility model provides a steel cage, and the steel bars inside the steel cage are carefully woven. Such a structure can effectively support the concrete structure and provide a stable foundation. The steel bar material used in the steel cage has stable physical and chemical properties, can withstand harsh environmental conditions, and ensure long-term safety. When the concrete structure is subjected to external force, the steel cage can bear part of the load and form a reinforced whole with the concrete structure, thereby enhancing its earthquake resistance and bearing capacity.

[0022] The utility model provides a shrinkage layer, a plurality of shrinkage holes on the surface of the cement block, and reserves shrinkage holes inside the wall, which actually reduces the amount of concrete used, reduces the weight of the wall, and achieves material saving. During the construction process, positioning and construction can be carried out more quickly, thereby shortening the construction period, saving manpower and material costs, and preventing the wall from shrinking easily after long-term use when affected by environmental factors such as temperature and humidity, thereby causing cracks. The shrinkage holes can provide space for the natural shrinkage of the wall, reduce cracks caused by shrinkage, and maintain the integrity and aesthetics of the wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3 For this utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0026] Figure 4 This is a schematic diagram of the steel cage structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the shrinkage hole structure of the utility model.

[0028] Description of main symbols:

[0029] 1. Exterior wall body; 11. Waterproof layer; 12. Waterproof wall; 13. Waterproof coating; 2. Cement layer; 21. Cement block; 22. Cement wall; 3. Mortar layer; 31. Stone and sand block; 4. Steel cage; 41. Steel mesh; 5. Shrinkage layer; 51. Shrinkage holes. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0031] Example:

[0032] Please combine Figure 1-5 A wall foundation structure for controlling shrinkage cracks of a basement exterior wall in this embodiment includes an exterior wall body 1, a cement layer 2 is arranged at the front end of the exterior wall body 1, a mortar layer 3 is arranged at the rear end of the cement layer 2, a steel cage 4 is arranged on the surface of the mortar layer 3, and a shrinkage layer 5 is arranged inside the exterior wall body 1.

[0033] The exterior wall body 1 comprises a waterproof layer 11 , a waterproof wall 12 and a waterproof coating 13 . The waterproof layer 11 is provided at the front end of the exterior wall body 1 . The waterproof wall 12 is provided at the front end of the waterproof layer 11 . The waterproof coating 13 is provided on the inner wall of the exterior wall body 1 .

[0034] The exterior wall body 1 includes a waterproof coating 13 . The material of the waterproof coating 13 is a water-based polyurethane waterproof coating. The water-based polyurethane waterproof coating is mainly composed of a water-based polyurethane resin, an additive and a solvent.

[0035] The cement layer 2 includes cement blocks 21 and cement walls 22 . A plurality of cement blocks 21 are provided, and the plurality of cement blocks 21 are arranged inside the exterior wall body 1 . A waterproof coating 13 is provided at the rear end of the cement wall 22 , and a waterproof wall 12 is provided at the front end of the cement wall 22 .

[0036] The mortar layer 3 includes stone sand blocks 31 . The mortar layer 3 is arranged inside the cement layer 2 . A plurality of stone sand blocks 31 are arranged at one end of the inner wall of the steel cage 4 close to each other.

[0037] The shrinkage layer 5 includes shrinkage holes 51 . The shrinkage layer 5 is disposed inside the exterior wall body 1 . A plurality of shrinkage holes 51 are disposed. The plurality of shrinkage holes 51 are opened on the surfaces of a plurality of cement blocks 21 .

[0038] The steel cage 4 includes a steel wire mesh 41 . Two steel cages 4 are provided. The bottoms of the two steel cages 4 are fixedly connected to the foundation, and the steel wire mesh 41 is provided at the front end of the steel cage 4 .

[0039] The implementation principle of a wall foundation structure for controlling shrinkage cracks on the outer wall of a basement in the embodiment of the present application is as follows: a worker inserts a steel cage 4 into the foundation to reinforce the wall, a stone sand block 31 is arranged at one end of the steel cage 4 close to each other, and is mixed with cement in proportion to make the wall strong, a steel wire mesh 41 is placed on the surface of the steel cage 4 and fixed with a cement block 21, which can increase the firmness of the wall, and during the construction process, it is not easy for the cement to fall off, thereby improving work efficiency, and a waterproof wall 12 is arranged on the surface of the cement wall 22 to prevent the wall from being damp and cracked, thereby reducing the service life of the wall, and a waterproof wall 12 is arranged at one end of the steel cage 4 and the cement block 21 close to each other. The coating 13 can prevent water from penetrating into the wall. A plurality of shrinkage holes 51 are arranged on the surface of the cement block 21. The shrinkage holes 51 are reserved inside the wall, which actually reduces the amount of concrete used, reduces the weight of the wall, and saves materials. During the construction process, positioning and construction can be carried out more quickly, thereby shortening the construction period and saving manpower and material costs. It can also prevent the wall from shrinking easily after long-term use when it is affected by environmental factors such as temperature and humidity, thereby causing cracks. The shrinkage holes 51 can provide space for the natural shrinkage of the wall, reduce cracks caused by shrinkage, and maintain the integrity and aesthetics of the wall.

[0040] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A wall foundation structure for controlling shrinkage cracks in the basement exterior wall, characterized in that: It comprises an external wall body (1), wherein a cement layer (2) is arranged at the front end of the external wall body (1), a mortar layer (3) is arranged at the rear end of the cement layer (2), a steel cage (4) is arranged on the surface of the mortar layer (3), and a shrinkage layer (5) is arranged inside the external wall body (1); The exterior wall body (1) comprises a waterproof layer (11), a waterproof wall (12) and a waterproof coating (13); the waterproof layer (11) is provided at the front end of the exterior wall body (1); the waterproof wall (12) is provided at the front end of the waterproof layer (11); and the waterproof coating (13) is provided on the inner wall of the exterior wall body (1); The exterior wall body (1) comprises a waterproof coating (13), wherein the material of the waterproof coating (13) is a water-based polyurethane waterproof coating; The cement layer (2) comprises a cement block (21) and a cement wall (22), a plurality of cement blocks (21) are provided, and the plurality of cement blocks (21) are arranged inside the exterior wall body (1), a waterproof coating (13) is provided at the rear end of the cement wall (22), and a waterproof wall (12) is provided at the front end of the cement wall (22); The mortar layer (3) comprises a stone sand block (31), the mortar layer (3) is arranged inside the cement layer (2), a plurality of the stone sand blocks (31) are provided, and the plurality of the stone sand blocks (31) are arranged at one end of the inner wall of the steel cage (4) close to each other; The shrinkage layer (5) comprises shrinkage holes (51), the shrinkage layer (5) is arranged inside the exterior wall body (1), a plurality of shrinkage holes (51) are provided, and the plurality of shrinkage holes (51) are opened on the surfaces of a plurality of cement blocks (21); The steel cage (4) comprises a steel wire mesh (41), two of the steel cages (4) are provided, the bottoms of the two steel cages (4) are fixedly connected to the foundation, and the steel wire mesh (41) is provided at the front end of the steel cage (4).